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EP0727244B1 - Racquette comprenant un dispositif de mise sous tension du cordage - Google Patents

Racquette comprenant un dispositif de mise sous tension du cordage Download PDF

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Publication number
EP0727244B1
EP0727244B1 EP96101723A EP96101723A EP0727244B1 EP 0727244 B1 EP0727244 B1 EP 0727244B1 EP 96101723 A EP96101723 A EP 96101723A EP 96101723 A EP96101723 A EP 96101723A EP 0727244 B1 EP0727244 B1 EP 0727244B1
Authority
EP
European Patent Office
Prior art keywords
racquet
piece
strings
tensioning
abutment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96101723A
Other languages
German (de)
English (en)
Other versions
EP0727244A1 (fr
Inventor
Eberhard Mark Von Der
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0727244A1 publication Critical patent/EP0727244A1/fr
Application granted granted Critical
Publication of EP0727244B1 publication Critical patent/EP0727244B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B51/00—Stringing tennis, badminton or like rackets; Strings therefor; Maintenance of racket strings
    • A63B51/12—Devices arranged in or on the racket for adjusting the tension of the strings

Definitions

  • the invention relates to a racket for ball games, in particular tennis, Squash and badminton rackets, with a frame that is longitudinal and Cross strings comprehensive covering, with one with the frame connected handle and with a tensioning device for the strings, as well as a Method for adjusting the string tension of such ball game rackets.
  • a variety of string tensioning systems for tennis racquets are known.
  • DE 38 18 152 A1 discloses a tennis racket a string tensioner, which has a gas spring element on the racket handle is attached.
  • the gas spring element causes the middle main strings of the racket even when a string is elongated by use have constant string tension.
  • Such a tensioning device is, however, quite complex to construct, has one that should not be neglected Weight and a certain susceptibility to failure. It is questionable whether it is proven itself under the great stresses of gaming. Is also with this tensioning device can only implement a single constant string tension, which is determined by the spring force of the gas spring.
  • the object of the invention is to provide an apparatus and a method create that without loosening the covering an increase in the tension of the Racket strings allows without destabilizing interventions in the Racket frame and achieved without expensive and prone to failure aids becomes.
  • a tensioning device which consists of an abutment and a clamping part, on To arrange racket frames. Both parts of the jig are from extends through the racket strings, the racket strings around webs of the tensioning part are led around and the tensioning part fixed by the string tension is pressed against the abutment and the racket frame.
  • Clamping part and Abutments point to one side of the row of openings for the Strings latch grooves or latch projections engaging in the latch grooves.
  • Embodiment of the invention are the locking throats and the support levels on the abutment and at least one locking projection and at least one Support surface arranged on the clamping part.
  • the locking projection forms the lower longitudinal edge of the clamping part, and the bearing surface is that of the lower longitudinal edge opposite area of the lower surface of the clamping part educated.
  • the edition levels or the Locking grooves can be arranged on the clamping part without affecting the mode of operation the clamping device changes significantly.
  • the abutment can be firmly integrated in the racket frame, e.g. if the frame is made of carbon fiber reinforced plastic.
  • the tensioning device according to the invention on a conventional racket it is also possible to use the abutment as a separate part against the racket frame trainable. In this case, both parts of the jig held by the string tension on the racket frame.
  • the clamping part can be tilted by any suitable gripping device or Pliers can be effected.
  • the clamping part advantageously has two at its ends arranged engagement holes into which two pins one Clamping levers can be inserted.
  • the clamping part is also on the clamping lever low force can be tilted against the string tension.
  • the passage openings can be lined with plastic sleeves become.
  • plastic sleeves can also be made in one piece with the abutment part and be connected to the tensioning part. With a one-piece attachment the plastic sleeves on the abutment part take over these plastic sleeves the guidance of the abutment part on the racket frame. Thereby can additional guide elements, such as sidewalls of the Abutment part, omitted.
  • the device according to the invention can be used in two different processes used to adjust the string tension.
  • the tensioning part For the recreational player it is sufficient to attach the tensioning part when applying the racket covering to be placed in the position of the lowest voltage, so that at a decrease in the string tension of the players by engaging the The desired part in the position of the next higher string tension String tension can adjust.
  • the tensioning part For the professional player who during the game on an adjustment of the string tension to adjust the respective day form and game situation is interested, it makes sense the clamping device when covering the racket in the position of the medium tension so that the player during the game the string tension by tilting the tensioning part in one direction or the other can increase or decrease.
  • the tennis racket shown in FIG. 1 consists of a racket handle 1 and a racket frame 2 which is covered with cross strings 3 and main strings 4 is provided.
  • the racket handle 1 is with the racket frame 2 connected via two V-shaped struts 5,6. Between Points at which the struts 5, 6 merge into the racket frame 2,
  • the lower frame section 7 runs against this lower frame section 7 is the tensioning device, which consists of an abutment part 8 and there is a clamping part 9. Both parts are from the middle main strings 4 through the racket string and through the string tension pulled against the lower frame section 7.
  • the structure of the clamping device and how it works can be 2, 3, 4a - 4c.
  • the lower frame section 7 is in the 2 and 3 indicated by thin lines.
  • the abutment part 8 which has side cheeks 10, which laterally enclose the lower frame section 7 of the racket frame 2.
  • the abutment part 8 and the clamping part 9 have through openings 11 and 12 for the strings 4 of the racket. These openings 11, 12 are essentially aligned with the passage openings 13 of the lower frame section 7.
  • the abutment part 8 has three locking grooves 15 on, and the clamping part 9 is provided with three locking projections 16.
  • One the locking projections 16 is through the lateral longitudinal edge of the clamping part 9 formed. Theoretically, only that would reliably lock into place lateral longitudinal edge of the clamping part 9 are sufficient as a locking projection 16.
  • the additional locking projections 16 of this embodiment only serve an additional safeguard against unintentional adjustment of the tensioning device.
  • the clamping device is shown in the outermost clamping position, wherein the locking projection 16 of the clamping part in the innermost locking groove 15 engages and the bearing surface 18 of the clamping part on the highest Edition level 17 of the abutment part rests.
  • the clamping part 9 is around Angle ⁇ inclined to the abutment part 8.
  • the clamping part 9 has an engagement hole 21 at each of its two ends.
  • Engagement holes 21 are the side fork-like engagement pins
  • the engagement holes 21 for the clamping lever 22 do not necessarily have to be perpendicular to the Passages 12 run, but can also be parallel to this extend, wherein the engagement pin of the clamping lever 22 are angled.
  • FIG. 5 shows an alternative embodiment of the tensioning device, in which the abutment part 8 to protect the main strings 4 with plastic sleeves 23 is provided.
  • the tensioner is made of light metal, especially aluminum, prevent the plastic sleeves 23 excessive wear of the main strings 4 due to friction on the metallic edges.
  • plastic sleeve provided for the passage openings 12 become.
  • FIG. 7 shows an alternative embodiment of the abutment part 8 ', which consists of glass or carbon fiber reinforced plastic and on which the plastic sleeves 23 'are formed.
  • the plastic sleeves 23 ' take over the guidance of the abutment part 8 'in the passage openings of the lower frame section 7 of the Racket so that the side cheeks at the abutment part 8 'can be omitted.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Clamps And Clips (AREA)
  • Pinball Game Machines (AREA)
  • Stringed Musical Instruments (AREA)
  • Adornments (AREA)

Claims (10)

  1. Raquette pour jeux de balle, en particulier raquette de tennis, squash, badminton, dotée d'un cadre (2) présentant un cordage comportant des cordes longitudinales (4) et des cordes transversales (3), d'une poignée (1) reliée au cadre 2 et d'un dispositif de tension des cordes,
       caractérisée en ce qu'une portion de cadre (7) présente un contre-appui (8, 8') pour le dispositif de tension, ledit contre-appui présentant dans sa région centrale des orifices de passage (11) des cordes (4) répartis le long d'une ligne suivant la périphérie du cadre (2) et en ce que, lors de la tension (9) par traction des cordes (4), un élément de tension est plaqué contre le contre-appui (8, 8'), lequel élément de tension présente également, dans sa partie centrale, des orifices de passage (12) des cordes (4), qui sont sensiblement alignés avec les orifices de passage (11) du contre-appui (8, 8'), les zones latérales de l'élément de tension (9) et du contre-appui (8, 8') situées d'un côté de la rangée d'orifices de passage (11, 12) présentant des rainures d'enclipsage (15) et des ressauts d'enclipsage (16) coopérant entre eux, tandis que les zones latérales situées de l'autre côté présentent des gradins d'appui (17) et des surfaces d'appui (18) coopérant entre eux.
  2. Raquette selon la revendication 1, caractérisée en ce que les rainures d'enclipsage (15) et les gradins d'appui (17) sont agencés sur le contre-appui (8, 8') et en ce qu'au moins un ressaut d'enclipsage (16) et au moins une surface d'appui (18) sont agencés sur l'élément de tension (9), le ressaut d'enclipsage (16) étant formé par l'arête longitudinale inférieure et la surface d'appui (18) par la région inférieure latérale de la face inférieure de l'élément de tension (9).
  3. Raquette selon la revendication 1 ou 2, caractérisée en ce que le contre-appui est constitué par un contre-appui (8, 8') reposant contre le cadre de la raquette.
  4. Raquette selon l'une au moins des revendications précédentes, caractérisée en ce que le dispositif de tension est agencé à l'intérieur du coeur de la raquette (24) et agit sur les cordes longitudinales (4) médianes de la raquette.
  5. Raquette selon l'une au moins des revendications précédentes, caractérisée en ce que l'élément de tension (9) présente, à ses deux extrémités, un orifice d'intervention (21) destiné à recevoir deux tétons d'un levier de tension (22).
  6. Raquette selon l'une au moins des revendications précédentes, caractérisée en ce que les ouvertures en vis-à-vis des orifices de passage (11, 12) du contre-appui (8, 8') et de l'élément de tension (9) sont évasés en forme d'entonnoir au moins perpendiculairement à la direction périphérique du cadre de raquette (2).
  7. Raquette selon l'une au moins des revendications précédentes, caractérisée en ce qu'au moins les ouvertures de passage (11) des cordes (4) ménagées dans le contre-appui (8, 8') sont revêtues de joncs en matière plastique (23).
  8. Raquette selon la revendication 7, caractérisée en ce que les joncs en matière plastique (23') sont reliés monobloc à l'élément de contre-appui (8').
  9. Procédé de réglage de la tension des cordes d'une raquette pour jeux de balle, en particulier raquette de tennis, squash, badminton, caractérisé en ce qu'un dispositif de tension constitué d'un contre-appui et d'un élément de tension, traversé par une partie des cordes et enclipsable dans différentes positions correspondant à des tensions de corde croissantes, est agencé, lors du cordage de la raquette, à la position de tension minimale et est enclipsé à la position de tension de corde immédiatement supérieure lorsque la tension desdites cordes se relâche.
  10. Procédé de réglage de la tension des cordes d'une raquette pour jeux de balle, en particulier raquette de tennis, squash, badminton, caractérisé en ce qu'un dispositif de tension constitué d'un contre-appui et d'un élément de tension, traversé par une partie des cordes et enclipsable dans diverses positions correspondant à des tensions de corde différentes, est agencé, lors du cordage de la raquette, à la position de tension moyenne et est enclipsé à une position de tension de corde inférieure ou supérieure lorsque la tension de cordes réglée est trop élevée ou trop faible.
EP96101723A 1995-02-17 1996-02-07 Racquette comprenant un dispositif de mise sous tension du cordage Expired - Lifetime EP0727244B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19505480A DE19505480A1 (de) 1995-02-17 1995-02-17 Ballspielschläger mit Saiten-Spannvorrichtung
DE19505480 1995-02-17

Publications (2)

Publication Number Publication Date
EP0727244A1 EP0727244A1 (fr) 1996-08-21
EP0727244B1 true EP0727244B1 (fr) 2000-05-17

Family

ID=7754307

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96101723A Expired - Lifetime EP0727244B1 (fr) 1995-02-17 1996-02-07 Racquette comprenant un dispositif de mise sous tension du cordage

Country Status (4)

Country Link
US (1) US5720680A (fr)
EP (1) EP0727244B1 (fr)
AT (1) ATE192940T1 (fr)
DE (2) DE19505480A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6935975B2 (en) 2003-04-10 2005-08-30 Wilson Sporting Goods Co. Racquet with channeled handle for receiving racquet string
US6811502B1 (en) 2003-04-30 2004-11-02 Wilson Sporting Goods Co. Racquet with elongated peripheral main string segments and enlarged sweet spot
US8888616B2 (en) * 2012-02-29 2014-11-18 Stringadvantage Tennis, Llc Method and device for controlling elongation of racquet strings

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB289297A (en) * 1927-07-25 1928-04-26 Arthur Watts Adjustable racket tensioning attachment
US3837649A (en) * 1972-10-11 1974-09-24 P Burchett Tension adjusting device for sports racket strings
US4061333A (en) * 1976-07-15 1977-12-06 Shaps Spencer N Adjustable tennis racquet
US4099717A (en) * 1977-05-11 1978-07-11 Sacks Bernard R Adjustable tension tennis racket
DE3229981A1 (de) * 1982-08-12 1984-02-16 Norbert Dipl.-Phys. Dr. 3004 Isernhagen König Schlaeger, insbesondere tennisschlaeger mit einer einrichtung zum verstellen der saitenspannung
NL8502294A (nl) * 1985-08-20 1987-03-16 Jan Mes Tennisracket met een daaraan aangebrachte verspaninrichting.
EP0225042A3 (en) * 1985-10-28 1987-08-26 Fin Sports Limited A tensioning device for a strung racquet
DE8624960U1 (de) * 1986-09-18 1987-08-20 Korte-Jungermann, Hans-Werner, 4156 Willich Schläger für Ballspiele, insbesondere Tennisspiele
SU1537280A1 (ru) * 1987-10-27 1990-01-23 Воронежский лесотехнический институт Теннисна ракетка
DE3813872A1 (de) * 1988-04-25 1989-11-02 Hackewitz Friedrich Wilhelm Vo Rahmen mit einer unter spannung stehenden besaitung oder dgl.
DE3917868A1 (de) * 1988-04-25 1990-12-06 Hackewitz Friedrich Wilhelm Vo Rahmen mit einer unter zugspannung stehenden besaitung oder dgl.
DE3818152A1 (de) * 1988-05-28 1989-12-07 Stabilus Gmbh Tennisschlaeger
DE3835192A1 (de) * 1988-10-15 1990-04-19 Korte Jungermann Hans Werner Verfahren zur bespannung von schlaegern fuer ballspiele sowie vorrichtung zur durchfuehrung des verfahrens
GB2252505A (en) * 1991-02-07 1992-08-12 Lo Kun Nan Racket frame with string adjustment
US5458331A (en) * 1994-07-22 1995-10-17 Bothwell; Brett P. Game racket with adjustable string suspension system

Also Published As

Publication number Publication date
EP0727244A1 (fr) 1996-08-21
DE59605213D1 (de) 2000-06-21
DE19505480A1 (de) 1996-08-22
US5720680A (en) 1998-02-24
ATE192940T1 (de) 2000-06-15

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